Use suitable identity and simply the following
a) (m+5)(m-12)=
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Answered by
0
Answer:
x+a x+b=x²+a+b x+ab
m²-7m-60 is the answer
Answered by
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Step-by-step explanation:
(m+5)(m-12)= m²-12m+5m-60
= m²-7m-60
= m²+5m-12m-60
= m(m+5)-12(m+5)
=(m-12)(m+5)
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